Automotive industry products with high efficiency, high reliability, high integration requirements, automotive hot dip galvanized steel coil is the best and the best galvanized steel coil.
Since 1975, the United States for the first time the hot galvanized coil used in automobile industry more than 20 years, the world's car production country in an effort to prevent corrosion research and development as the goal, and considering the weldability, coating and formability of hot galvanized steel coil, high quality and obtained a series of technological progress, including the chemical composition of the steel substrate, the surface of the steel coil rolling quality.
A series of technical problems such as thickness uniformity of hot dip galvanizing coating, optimal structure and process control of alloying.
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